Assigjstoe of one



(No Model.)

"W, D.' SMITH, AGAR WHEEL. No. 303,064l Patented Aug. 1884.

//'/////"\ fffff7% IVINESSLS y INT/'ENTOR N. PETERS NMa-lilium. Washingmm D C.

. Nrrnn vfretrns YVALTON DUANE SMITH, OFPROPHETSTWN, ILLINOIS, ASSlGNOl-t OF ONE- HALF TO VALTER E. ROSE,l OF SAME PLAGE.

CAR-WHEEL.

SPECIFICATION forming part of Letters Patent No. 303,064, dated August 5, 1884. Application filed Muy 14. 1884. (No model.) y

f @u wfwm Til/6&2! @Onffff It will be seen that by this manner of holding Be itlrnown that I, VALTON D. SMITH, a thewheel-armsinplace,and bytheslight curvcitizen ofthe United States, residing at Prophature of the arms, there Will be sufficient elasetstown,L in the county oflllhiteside and State i-icity to withstand all the strains of constant ol' Illinois, have invented a new and useful use. The wheels are not bolted in place; but 55 Car-Vheel, of which the following is a specithe bolts hold the wedgeshaped blocks in the iication, reference being had to the accoinpaspace betweenthe flanges or shoulders of the nying drawings. hub, and these blocks, being interposed be- This'invent'on relates to car\vheels, and it tween each of the arms, serve to hold the saine I0 has for its object to provide a slightly elastic ,iirmly inA position. Since theouter ends of 6o wheel in which there will be no shrinkagethe Wheel-arms are placed in the recesses of strains of a nature inherent in all cast wheels, the inner tire, and the inner ends are held in and if the tire is ruptured while in use it will. place by the Wedge-shaped blocks in the inannot come ofi', and thus accidents will lbe ner hereinbefore described, the arms will, by l avoided. 'means of their curvature,giveelastieity to the 6 5 lifith these and other objects inview the wheel, and thus ina-ke the latter more efficient said invention consists in certain details of and durable in use. construction and combination of parts, as I designates the outer tire of the Wheel, hereinafter set forth, and particularly pointed formed on its outer face with the usual ilange go out in the claims. and tread portion,4 the sides of the outer tire 7o In the accompanying drawings, Figure l is being eut away, as at YLand an annular recess, a side View of acar-wheel embodying my ini- K, kbeing formed in the cut-awayportion of provements. Fig. 2 is a transverse sectional the sides, to receive the inwardly -turned view of the same. Fig. 3 is Va longitudinal flanges L formed on the periphery ofthe re section of the same. Fig. 4 is alongitudinal taining-rings M. Said rings are circular in 7 section of the Wheel before the outer tire and form, as shown, and are provided with a seretaining-rings are placed in position. Fig. ries of holes, N N, bolts O being vpassed 5 is a detail perspective View of' one of the through the holes N, and also through holes retaining'rings. P l?, formed atintervals around tlie'inner tire, Like letters referto corresponding parts in H,"suitable nuts being employed to hold the so the several figures. bolts in place. It will be seen that the re- Referring to the drawings, A designates the taining-rings hold the outer tire from coming hub of thecaewheel, constructed inany suitoff, the inner face of the outer tire abutting able manner, and formed with annular anges against the outer face of theinner tire, the reor shoulders B B', providing a space, C, be taining-rings resting i'lat against the adjacent S5 tween the shoulders, the wheel arms or spokes ends of the two tires and serving to hold the D D being set around the hub in this space. parts securely in their proper places, and Vedge-shaped blocks E E are also arranged should the tire become ruptured there will be in this space between each of the arms or no danger of it coming off, as the retaining- 4o spokes, headed bolts F F passing through the rings will still hold it in place. l 90 ilanges or shoulders and blocks, and holding The operation of my invention will be readthe same in position by means of nuts G G. ily understood from the foregoing description,

Thewheelarms orspokesDarepreferablycontaken in connection with the annexed drawstrueted of the shape shown in the drawings, ings. In putting up the Wheel the arms or the lower portion for about one-third of their spokes are iirst set in the space between the 95 length being formed straight, as shown at e, flanges or shoulders of the hub, a suliicient and curving outward from that point, as at I), space being left between the arms at their inthe outer ends,v o, extending out at an angle ner ends to provide room for the Wedge-shaped from this curved portion an d entering recesses blocks, which are driven down Vinto the space 5o Gf Gforrnedin rheinneri'aee ofthe innertire,H. C between cach wheel arm or spoke. The reo bolts F are then passed through the flanges orr shoulders and through holes formed in the blocks, the nuts G being screwed onto the ends of the bolts, and thus the blocks and the inner ends of the arms will be held securely in place. After the arms have been properly tted in the hub, the arms are then contracted by means of compression brought to bear on their outer ends by simple machinery and acting toward the center of the hub until sufficient contraction is reached to admit of the hub and arms being placed into the inner tire, I-I, the outer ends ofthe arms restingin the recesses ofthe same, the wheel being then in condition to receive the outer tire, I, which, being slightly smaller in its inside diameter than the diameter of the hub, arms, and inner tire, said outer tire is expanded by heat and shrunk onto the wheel in the usual manner. Ihe retaining-rings are then placed on each side of the wheel, the flanges L of said rings entering the annular recesses K formed in the cut-away sides of the outer tire, I, and the bolts O being passed through the holes N N of the rings and the holes I P of the inner tire, suitable nuts being employed to hold the bolts in their proper places, so as to prevent the rings from coming of't.

It will be apparent that by reason of the inside edge of the Aretaining-rings comingA flush with the inner face of the inner tire and inner portion of the outer tire the outer tire will not be thrown out of place should it become ruptured in any way, while the arms will be prevented from slipping sidewise out of the recesses in theinner tire.

My improved car-wheel will be sufciently elastic in its nature to sustain the wear and tear of use, and there will be no shrinkagestrains such as are due to unequal contraction in all cast-metal wheels. The outer tire, or

tire proper, will not come ofi unless the retaining-rings are broken, and as said rings are not subjected to any strains,.the breaking of the same is highly improbable.

My improved car-wheel is simple, durable, inexpensive, and efficient, and will prove ofgreat utility for the purposes intended.

Having described my invention, I claim- 1. In a car-wheel, the combination, with the 5o hub, of the curved spring-arms, iitted at their lower ends in the hub, and the inner tire de tachably fitted over the outer ends of the arms, as set forth.

2. In a car-wheel, the combination, with the flanged hub, of the spring-arms fitting between the iianges of the hub, wedge-shaped blocks interposed between each of 'the arms, bolts passing through 'the blocks and flanges so as to hold the blocks in place, and thus prevent the dislodgment 0i' the arms, and the inner tire provided with recesses to receive the ends of the arms, as set forth.

3. In a car-wheel, the outer tire having its sides cut away, as atA J, andan annular recess or groove in the sides, in combination with the inner tire, spokes, and hub, and retainingrings formed withflanges to fit in the recesses or grooves of the outer tire, and bolts passing through the inner tire and securing the rings against the face of the outer and inner tires,

as set forth.

4. In a car-Wheel, the combination, with the flanged hub, of the spokes or arms fitting between the iianges of the hub, wedge-shaped blocks interposed between each of the arms, the inner tire having recesses'to receive the outer ends of the arms, the outer tire formed with annular grooves in its sides, the retaining-rings formed with inwardly-turned flanges So to enter the grooves of the outer tire, and bolts passing through the inner tire and holding the rings in place, as set forth.

5. In a car-wheel, the combination, with the inner tire formed with recesses, and the Wheelarms having their outer ends entering the recesses, of the outer tire and the retainingrings connecting the outer and inner tires, as set forth.

In testimony that I claim the foregoing as 9o my Own I have hereto affixed my signature in presence ot two witnesses.

VALTON DUANE SMITH.

XVitnesses:

CYRUs EMORY, JAMns O. R. CARLEY. 

